How can Architectural Bim services streamline construction projects?

It’s an incident of a particular school in which the principal of the school had the problem which he found out because the roof of his school was leaking whenever it was the rainy season and even when he tried for several weeks, the exact solution could not have been figured out so that there could be a permanent solution. At last, the thing went to the architectural Bim service provider, and he was called out to check the issue to find out the perfect solution for